/// /// Use kzalloc rather than kmalloc followed by memset with 0 /// /// This considers some simple cases that are common and easy to validate /// Note in particular that there are no ...s in the rule, so all of the /// matched code has to be contiguous /// // Confidence: High // Copyright: (C) 2009-2010 Julia Lawall, Nicolas Palix, DIKU. GPLv2. // Copyright: (C) 2009-2010 Gilles Muller, INRIA/LiP6. GPLv2. // URL: http://coccinelle.lip6.fr/rules/kzalloc.html // Options: --no-includes --include-headers // // Keywords: kmalloc, kzalloc // Version min: < 2.6.12 kmalloc // Version min: 2.6.14 kzalloc // virtual context virtual patch virtual org virtual report //---------------------------------------------------------- // For context mode //---------------------------------------------------------- @depends on context@ type T, T2; expression x; expression E1,E2; statement S; @@ * x = (T)kmalloc(E1,E2); if ((x==NULL) || ...) S * memset((T2)x,0,E1); //---------------------------------------------------------- // For patch mode //---------------------------------------------------------- @depends on patch@ type T, T2; expression x; expression E1,E2; statement S; @@ - x = (T)kmalloc(E1,E2); + x = kzalloc(E1,E2); if ((x==NULL) || ...) S - memset((T2)x,0,E1); //---------------------------------------------------------- // For org mode //---------------------------------------------------------- @r depends on org || report@ type T, T2; expression x; expression E1,E2; statement S; position p; @@ x = (T)kmalloc@p(E1,E2); if ((x==NULL) || ...) S memset((T2)x,0,E1); @script:python depends on org@ p << r.p; x << r.x; @@ msg="%s" % (x) msg_safe=msg.replace("[","@(").replace("]",")") coccilib.org.print_todo(p[0], msg_safe) @script:python depends on report@ p << r.p; x << r.x; @@ msg="WARNING: kzalloc should be used for %s, instead of kmalloc/memset" % (x) coccilib.report.print_report(p[0], msg) xt.git/commit/net/dccp/probe.c?h=nds-private-remove&id=9c744d10870c5d6f36264be39bf5de87447f1052'>commitdiff

path: root/net/dccp/probe.c

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